<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
    <title>注册</title>
    <link rel="icon" href="../../../../img/favicon.ico" type="image/ico">
    <script type="application/javascript" src="/js/background.js"></script>

    <style type="text/css">
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font: 16px/20px microsft yahei;
        }
        .wrap {
            width: 100%;
            height: 100%;
            padding: 10% 0;
            position: fixed;
            opacity: 0.8;
            background: linear-gradient(to bottom right, rgb(29, 236, 243), #075df1);
            background: -webkit-linear-gradient(to bottom right, #28e5e3, #0b4cbb);
        }
        .container {
            width: 60%;
            margin: 0 auto;
        }
            .container h1 {
            text-align: center;
            color: #FFFFFF;
            font-weight: 500;
        }
        .container input {
            width: 320px;
            display: block;
            height: 36px;
            border: 0;
            outline: 0;
            padding: 6px 10px;
            line-height: 24px;
            margin: 32px auto;
            -webkit-transition: all 0s ease-in 0.1ms;
            -moz-transition: all 0s ease-in 0.1ms;
            transition: all 0s ease-in 0.1ms;
        }
        .container input[type="text"] , .container input[type="password"] {
            background-color: #FFFFFF;
            font-size: 16px;
            color: #50a3a2;
        }
        .container input[type='submit'] {
            font-size: 16px;
            letter-spacing: 2px;
            color: #2eefeb;
            background-color: #FFFFFF;
        }
        .container input:focus {
            width: 400px;
        }
        .container input[type='submit']:hover {
            cursor: pointer;
            width: 400px;
        }
        .to_login{
            color: #a7c4c9;
        }
        .text{
            color: #ffffff;
        }
        .wrap ul {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -20;
        }
        .wrap ul li {
            list-style-type: none;
            display: block;
            position: absolute;
            bottom: -120px;
            width: 15px;
            height: 15px;
            z-index: -8;
            border-radius: 50%;
            box-shadow: inset -30px -30px 75px rgb(2, 203, 255),
            inset 0px 0px 5px rgb(29, 236, 243),
            inset -3px -3px 5px rgb(5, 255, 222),
            0 0 20px rgb(213, 210, 210);
            background-color:rgba(255, 255, 255, 0.15);
            animotion: square 25s infinite;
            -webkit-animation: square 25s infinite;
        }
        .wrap ul li:nth-child(1) {
            left: 0;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(2) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 15s;
            -moz-animation-duration: 15s;
            -o-animation-duration: 15s;
            -webkit-animation-duration: 11s;
        }
        .wrap ul li:nth-child(3) {
            left: 20%;
            width: 25px;
            height: 25px;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(4) {
            width: 50px;
            height: 50px;
            left: 30%;
            -webkit-animation-delay: 3s;
            -moz-animation-delay: 3s;
            -o-animation-delay: 3s;
            animation-delay: 3s;
            animation-duration: 12s;
            -moz-animation-duration: 12s;
            -o-animation-duration: 12s;
            -webkit-animation-duration: 12s;
        }
        .wrap ul li:nth-child(5) {
            width: 60px;
            height: 60px;
            left: 40%;
            animation-duration: 10s;
            -moz-animation-duration: 10s;
            -o-animation-duration: 10s;
            -webkit-animation-duration: 10s;
        }
        .wrap ul li:nth-child(6) {
            width: 75px;
            height: 75px;
            left: 50%;
            -webkit-animation-delay: 7s;
            -moz-animation-delay: 7s;
            -o-animation-delay: 7s;
            animation-delay: 7s;
        }
        .wrap ul li:nth-child(7) {
            left: 60%;
            width: 30px;
            height: 30px;
            animation-duration: 8s;
            -moz-animation-duration: 8s;
            -o-animation-duration: 8s;
            -webkit-animation-duration: 8s;
        }
        .wrap ul li:nth-child(8) {
            width: 90px;
            height: 90px;
            left: 70%;
            -webkit-animation-delay: 4s;
            -moz-animation-delay: 4s;
            -o-animation-delay: 4s;
            animation-delay: 4s;
        }
        .wrap ul li:nth-child(9) {
            width: 50px;
            height: 50px;
            left: 80%;
            animation-duration: 20s;
            -moz-animation-duration: 20s;
            -o-animation-duration: 20s;
            -webkit-animation-duration: 20s;
        }
        .wrap ul li:nth-child(10) {
            width: 75px;
            height: 75px;
            left: 90%;
            -webkit-animation-delay: 6s;
            -moz-animation-delay: 6s;
            -o-animation-delay: 6s;
            animation-delay: 6s;
            animation-duration: 30s;
            -moz-animation-duration: 30s;
            -o-animation-duration: 30s;
            -webkit-animation-duration: 30s;
        }
        @keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
        @-webkit-keyframes square {
            0% {
                -webkit-transform: translateY(0);
                transform: translateY(0)
            }
            100% {
                bottom: 400px;
                -webkit-transform: translateY(-500);
                transform: translateY(-500)
            }
        }
    </style>

</head>
<body>
<div class="wrap">
     <div class="container">
            <h1 style="color: white; margin: 0; text-align: center;font-size: 50px;">注册</h1>
    <form>
        <label><input type="text" id="username" name="username" placeholder="用户名"/></label>

        <label><input type="password" id="password" name="password" placeholder="密码" /></label>
        <label><input type="password" id="repassword" name="repassword" placeholder="请再次输入密码" /></label>
        <input type="submit" value="注册" style="color: #1c1e2f"/>
        <p id="errorna" style="color: red;display: none" >用户名不合法</p>
        <p id="errorpp" style="color: red;display: none" >两次密码不一致</p>

          <p class="change_link" style="text-align: center;">
            <span class="text">已经有一个账号?</span>
            <a href="login.html" class="to_login"> 去登录</a>
          </p>
        </form>
      </div>
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    <script type="application/javascript" src="/js/jquery.min.js"></script>
    <script type="application/javascript">
        // console.log($("#repassword").val());
        // console.log($("#password").val());
        // console.log($("#username").val());
        var name = $("#username").val();
        var passw = $("#password").val();
        var repassw = $("#repassword").val();

        function CheckUser(){
            var username=document.getElementById("username");
            var error = document.getElementById('errorna');
            var re = /^[a-zA-Z_]{6,18}$/;
            if(username.value==""){
                error.innerText="请输入用户名";
                error.style.display = "block";
            }
            else if(username.value.length < 6 ||username.value.length > 18){
                console.log(username.value);
                error.innerText="格式错误,长度应为6-18个字符";
                error.style.display = "block";
            }
            else if(!re.test(username.value)){
                error.innerText="格式错误,只能包含英文字母和下划线";
                error.style.display = "block";
            }
            else {
                error.innerText ="";
            }
        }






    </script>
</div>
</body>
</html>